/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/termination-recursive-malloc/insertionSort_recursive.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 17:26:56,554 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 17:26:56,558 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 17:26:56,616 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 17:26:56,617 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 17:26:56,621 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 17:26:56,649 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 17:26:56,656 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 17:26:56,661 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 17:26:56,668 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 17:26:56,669 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 17:26:56,671 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 17:26:56,671 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 17:26:56,674 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 17:26:56,676 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 17:26:56,682 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 17:26:56,684 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 17:26:56,686 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 17:26:56,691 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 17:26:56,699 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 17:26:56,703 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 17:26:56,705 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 17:26:56,707 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 17:26:56,709 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 17:26:56,719 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 17:26:56,719 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 17:26:56,720 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 17:26:56,722 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 17:26:56,723 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 17:26:56,724 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 17:26:56,724 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 17:26:56,725 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 17:26:56,727 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 17:26:56,728 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 17:26:56,729 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 17:26:56,730 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 17:26:56,731 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 17:26:56,731 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 17:26:56,731 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 17:26:56,732 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 17:26:56,733 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 17:26:56,734 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 17:26:56,787 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 17:26:56,788 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 17:26:56,789 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 17:26:56,789 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 17:26:56,791 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 17:26:56,791 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 17:26:56,793 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 17:26:56,794 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 17:26:56,794 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 17:26:56,795 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 17:26:56,796 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 17:26:56,796 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 17:26:56,796 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 17:26:56,796 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 17:26:56,797 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 17:26:56,797 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 17:26:56,797 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 17:26:56,797 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 17:26:56,797 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 17:26:56,798 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 17:26:56,798 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 17:26:56,798 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 17:26:56,798 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 17:26:56,798 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 17:26:56,799 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 17:26:56,799 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 17:26:56,799 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 17:26:56,799 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 17:26:56,800 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 17:26:56,800 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 17:26:56,800 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 17:26:56,800 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 17:26:56,801 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 17:26:56,801 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 17:26:57,256 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 17:26:57,282 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 17:26:57,285 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 17:26:57,286 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 17:26:57,287 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 17:26:57,289 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-recursive-malloc/insertionSort_recursive.i [2022-10-16 17:26:57,382 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/544aaff4e/8f59ceec718f4901a82dcdb262d275d8/FLAGaac50d163 [2022-10-16 17:26:58,038 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 17:26:58,039 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-recursive-malloc/insertionSort_recursive.i [2022-10-16 17:26:58,045 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/544aaff4e/8f59ceec718f4901a82dcdb262d275d8/FLAGaac50d163 [2022-10-16 17:26:58,429 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/544aaff4e/8f59ceec718f4901a82dcdb262d275d8 [2022-10-16 17:26:58,432 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 17:26:58,437 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 17:26:58,441 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 17:26:58,441 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 17:26:58,445 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 17:26:58,448 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 05:26:58" (1/1) ... [2022-10-16 17:26:58,449 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a3a9ac6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:26:58, skipping insertion in model container [2022-10-16 17:26:58,449 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 05:26:58" (1/1) ... [2022-10-16 17:26:58,462 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 17:26:58,480 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 17:26:58,635 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 17:26:58,645 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 17:26:58,665 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 17:26:58,681 INFO L208 MainTranslator]: Completed translation [2022-10-16 17:26:58,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:26:58 WrapperNode [2022-10-16 17:26:58,681 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 17:26:58,683 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 17:26:58,683 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 17:26:58,683 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 17:26:58,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:26:58" (1/1) ... [2022-10-16 17:26:58,699 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:26:58" (1/1) ... [2022-10-16 17:26:58,719 INFO L138 Inliner]: procedures = 11, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2022-10-16 17:26:58,720 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 17:26:58,721 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 17:26:58,721 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 17:26:58,721 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 17:26:58,732 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:26:58" (1/1) ... [2022-10-16 17:26:58,732 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:26:58" (1/1) ... [2022-10-16 17:26:58,735 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:26:58" (1/1) ... [2022-10-16 17:26:58,735 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:26:58" (1/1) ... [2022-10-16 17:26:58,741 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:26:58" (1/1) ... [2022-10-16 17:26:58,746 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:26:58" (1/1) ... [2022-10-16 17:26:58,747 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:26:58" (1/1) ... [2022-10-16 17:26:58,749 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:26:58" (1/1) ... [2022-10-16 17:26:58,751 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 17:26:58,752 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 17:26:58,752 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 17:26:58,753 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 17:26:58,753 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:26:58" (1/1) ... [2022-10-16 17:26:58,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 17:26:58,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:26:58,790 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 17:26:58,821 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 17:26:58,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 17:26:58,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-16 17:26:58,874 INFO L130 BoogieDeclarations]: Found specification of procedure insertionSort [2022-10-16 17:26:58,874 INFO L138 BoogieDeclarations]: Found implementation of procedure insertionSort [2022-10-16 17:26:58,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 17:26:58,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 17:26:58,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 17:26:58,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 17:26:58,994 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 17:26:58,997 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 17:26:59,203 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 17:26:59,213 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 17:26:59,213 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-16 17:26:59,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 05:26:59 BoogieIcfgContainer [2022-10-16 17:26:59,216 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 17:26:59,246 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 17:26:59,246 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 17:26:59,250 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 17:26:59,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 05:26:58" (1/3) ... [2022-10-16 17:26:59,251 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76ce3e93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 05:26:59, skipping insertion in model container [2022-10-16 17:26:59,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:26:58" (2/3) ... [2022-10-16 17:26:59,252 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76ce3e93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 05:26:59, skipping insertion in model container [2022-10-16 17:26:59,253 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 05:26:59" (3/3) ... [2022-10-16 17:26:59,254 INFO L112 eAbstractionObserver]: Analyzing ICFG insertionSort_recursive.i [2022-10-16 17:26:59,297 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 17:26:59,297 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2022-10-16 17:26:59,419 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 17:26:59,445 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@472d0de2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 17:26:59,446 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2022-10-16 17:26:59,457 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 27 states have (on average 1.6296296296296295) internal successors, (44), 37 states have internal predecessors, (44), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 17:26:59,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-16 17:26:59,477 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:26:59,479 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-10-16 17:26:59,481 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [insertionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-10-16 17:26:59,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:26:59,492 INFO L85 PathProgramCache]: Analyzing trace with hash -2014970644, now seen corresponding path program 1 times [2022-10-16 17:26:59,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:26:59,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101788677] [2022-10-16 17:26:59,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:26:59,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:26:59,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:26:59,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:26:59,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:26:59,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101788677] [2022-10-16 17:26:59,915 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101788677] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:26:59,915 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:26:59,915 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 17:26:59,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413808291] [2022-10-16 17:26:59,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:26:59,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 17:26:59,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:26:59,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 17:26:59,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 17:26:59,978 INFO L87 Difference]: Start difference. First operand has 41 states, 27 states have (on average 1.6296296296296295) internal successors, (44), 37 states have internal predecessors, (44), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:27:00,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:27:00,104 INFO L93 Difference]: Finished difference Result 84 states and 100 transitions. [2022-10-16 17:27:00,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 17:27:00,109 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-10-16 17:27:00,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:27:00,122 INFO L225 Difference]: With dead ends: 84 [2022-10-16 17:27:00,123 INFO L226 Difference]: Without dead ends: 39 [2022-10-16 17:27:00,130 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 17:27:00,138 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 7 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 17:27:00,141 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 125 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 17:27:00,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-10-16 17:27:00,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 38. [2022-10-16 17:27:00,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 26 states have (on average 1.5384615384615385) internal successors, (40), 36 states have internal predecessors, (40), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:27:00,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 42 transitions. [2022-10-16 17:27:00,200 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 42 transitions. Word has length 6 [2022-10-16 17:27:00,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:27:00,201 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 42 transitions. [2022-10-16 17:27:00,201 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:27:00,201 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2022-10-16 17:27:00,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-16 17:27:00,204 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:27:00,204 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:27:00,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 17:27:00,206 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting insertionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [insertionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-10-16 17:27:00,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:27:00,208 INFO L85 PathProgramCache]: Analyzing trace with hash -1514184033, now seen corresponding path program 1 times [2022-10-16 17:27:00,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:27:00,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981468185] [2022-10-16 17:27:00,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:27:00,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:27:00,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:27:00,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:27:00,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:27:00,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981468185] [2022-10-16 17:27:00,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981468185] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:27:00,314 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:27:00,315 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 17:27:00,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336605822] [2022-10-16 17:27:00,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:27:00,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 17:27:00,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:27:00,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 17:27:00,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 17:27:00,319 INFO L87 Difference]: Start difference. First operand 38 states and 42 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:27:00,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:27:00,339 INFO L93 Difference]: Finished difference Result 63 states and 69 transitions. [2022-10-16 17:27:00,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 17:27:00,340 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-10-16 17:27:00,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:27:00,341 INFO L225 Difference]: With dead ends: 63 [2022-10-16 17:27:00,341 INFO L226 Difference]: Without dead ends: 38 [2022-10-16 17:27:00,342 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 17:27:00,344 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 3 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:27:00,345 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 65 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 17:27:00,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2022-10-16 17:27:00,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2022-10-16 17:27:00,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 26 states have (on average 1.5) internal successors, (39), 36 states have internal predecessors, (39), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:27:00,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 41 transitions. [2022-10-16 17:27:00,353 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 41 transitions. Word has length 10 [2022-10-16 17:27:00,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:27:00,353 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 41 transitions. [2022-10-16 17:27:00,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:27:00,354 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 41 transitions. [2022-10-16 17:27:00,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-16 17:27:00,354 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:27:00,355 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2022-10-16 17:27:00,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 17:27:00,355 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [insertionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-10-16 17:27:00,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:27:00,356 INFO L85 PathProgramCache]: Analyzing trace with hash -105670552, now seen corresponding path program 1 times [2022-10-16 17:27:00,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:27:00,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550350821] [2022-10-16 17:27:00,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:27:00,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:27:00,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:27:00,541 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:27:00,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:27:00,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550350821] [2022-10-16 17:27:00,542 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550350821] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 17:27:00,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1463163762] [2022-10-16 17:27:00,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:27:00,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:27:00,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:27:00,545 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 17:27:00,570 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-16 17:27:00,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:27:00,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 17:27:00,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 17:27:00,677 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:27:00,677 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 17:27:00,731 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:27:00,732 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1463163762] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 17:27:00,732 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 17:27:00,732 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2022-10-16 17:27:00,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298941905] [2022-10-16 17:27:00,733 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 17:27:00,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 17:27:00,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:27:00,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 17:27:00,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2022-10-16 17:27:00,736 INFO L87 Difference]: Start difference. First operand 38 states and 41 transitions. Second operand has 12 states, 11 states have (on average 2.090909090909091) internal successors, (23), 12 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:27:00,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:27:00,879 INFO L93 Difference]: Finished difference Result 57 states and 65 transitions. [2022-10-16 17:27:00,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 17:27:00,880 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.090909090909091) internal successors, (23), 12 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-10-16 17:27:00,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:27:00,881 INFO L225 Difference]: With dead ends: 57 [2022-10-16 17:27:00,881 INFO L226 Difference]: Without dead ends: 56 [2022-10-16 17:27:00,882 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=113, Invalid=229, Unknown=0, NotChecked=0, Total=342 [2022-10-16 17:27:00,884 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 31 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 17:27:00,885 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 119 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 17:27:00,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2022-10-16 17:27:00,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 49. [2022-10-16 17:27:00,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 37 states have (on average 1.4864864864864864) internal successors, (55), 47 states have internal predecessors, (55), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:27:00,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 57 transitions. [2022-10-16 17:27:00,895 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 57 transitions. Word has length 10 [2022-10-16 17:27:00,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:27:00,895 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 57 transitions. [2022-10-16 17:27:00,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.090909090909091) internal successors, (23), 12 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:27:00,896 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 57 transitions. [2022-10-16 17:27:00,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-16 17:27:00,896 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:27:00,896 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1] [2022-10-16 17:27:00,927 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-16 17:27:01,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:27:01,113 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [insertionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-10-16 17:27:01,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:27:01,115 INFO L85 PathProgramCache]: Analyzing trace with hash 1019180282, now seen corresponding path program 1 times [2022-10-16 17:27:01,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:27:01,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638517989] [2022-10-16 17:27:01,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:27:01,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:27:01,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:27:01,212 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:27:01,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:27:01,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638517989] [2022-10-16 17:27:01,213 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638517989] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 17:27:01,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1618892] [2022-10-16 17:27:01,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:27:01,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:27:01,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:27:01,215 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 17:27:01,224 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-16 17:27:01,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:27:01,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 17:27:01,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 17:27:01,346 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:27:01,346 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 17:27:01,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1618892] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:27:01,347 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 17:27:01,347 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-10-16 17:27:01,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103200533] [2022-10-16 17:27:01,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:27:01,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 17:27:01,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:27:01,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 17:27:01,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-10-16 17:27:01,350 INFO L87 Difference]: Start difference. First operand 49 states and 57 transitions. Second operand has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:27:01,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:27:01,393 INFO L93 Difference]: Finished difference Result 49 states and 57 transitions. [2022-10-16 17:27:01,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 17:27:01,393 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-10-16 17:27:01,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:27:01,395 INFO L225 Difference]: With dead ends: 49 [2022-10-16 17:27:01,395 INFO L226 Difference]: Without dead ends: 48 [2022-10-16 17:27:01,396 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-10-16 17:27:01,397 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 8 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:27:01,398 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 115 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 17:27:01,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2022-10-16 17:27:01,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2022-10-16 17:27:01,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 37 states have (on average 1.4054054054054055) internal successors, (52), 46 states have internal predecessors, (52), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:27:01,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 54 transitions. [2022-10-16 17:27:01,407 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 54 transitions. Word has length 11 [2022-10-16 17:27:01,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:27:01,408 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 54 transitions. [2022-10-16 17:27:01,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:27:01,408 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 54 transitions. [2022-10-16 17:27:01,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-16 17:27:01,409 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:27:01,409 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:27:01,445 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-16 17:27:01,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-10-16 17:27:01,624 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting insertionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [insertionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-10-16 17:27:01,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:27:01,626 INFO L85 PathProgramCache]: Analyzing trace with hash -132456421, now seen corresponding path program 1 times [2022-10-16 17:27:01,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:27:01,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490691794] [2022-10-16 17:27:01,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:27:01,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:27:01,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:27:01,828 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-16 17:27:01,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:27:01,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490691794] [2022-10-16 17:27:01,829 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490691794] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:27:01,829 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:27:01,829 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 17:27:01,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075920906] [2022-10-16 17:27:01,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:27:01,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 17:27:01,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:27:01,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 17:27:01,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 17:27:01,848 INFO L87 Difference]: Start difference. First operand 48 states and 54 transitions. Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:27:01,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:27:01,963 INFO L93 Difference]: Finished difference Result 82 states and 95 transitions. [2022-10-16 17:27:01,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 17:27:01,963 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-10-16 17:27:01,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:27:01,965 INFO L225 Difference]: With dead ends: 82 [2022-10-16 17:27:01,965 INFO L226 Difference]: Without dead ends: 58 [2022-10-16 17:27:01,965 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-10-16 17:27:01,967 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 16 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 17:27:01,968 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 132 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 17:27:01,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2022-10-16 17:27:01,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 57. [2022-10-16 17:27:01,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 46 states have (on average 1.326086956521739) internal successors, (61), 54 states have internal predecessors, (61), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:27:01,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 63 transitions. [2022-10-16 17:27:01,976 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 63 transitions. Word has length 14 [2022-10-16 17:27:01,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:27:01,976 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 63 transitions. [2022-10-16 17:27:01,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:27:01,977 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 63 transitions. [2022-10-16 17:27:01,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-16 17:27:01,977 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:27:01,978 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:27:01,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 17:27:01,978 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting insertionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [insertionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-10-16 17:27:01,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:27:01,982 INFO L85 PathProgramCache]: Analyzing trace with hash -1405263680, now seen corresponding path program 1 times [2022-10-16 17:27:01,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:27:01,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124489813] [2022-10-16 17:27:01,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:27:01,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:27:02,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:27:02,160 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-16 17:27:02,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:27:02,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124489813] [2022-10-16 17:27:02,161 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124489813] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 17:27:02,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1220036289] [2022-10-16 17:27:02,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:27:02,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:27:02,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:27:02,162 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 17:27:02,181 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-16 17:27:02,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:27:02,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-16 17:27:02,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 17:27:02,309 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-16 17:27:02,309 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 17:27:02,309 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1220036289] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:27:02,309 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 17:27:02,310 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 12 [2022-10-16 17:27:02,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166333178] [2022-10-16 17:27:02,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:27:02,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 17:27:02,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:27:02,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 17:27:02,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-10-16 17:27:02,315 INFO L87 Difference]: Start difference. First operand 57 states and 63 transitions. Second operand has 7 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:27:02,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:27:02,465 INFO L93 Difference]: Finished difference Result 78 states and 88 transitions. [2022-10-16 17:27:02,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 17:27:02,466 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2022-10-16 17:27:02,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:27:02,473 INFO L225 Difference]: With dead ends: 78 [2022-10-16 17:27:02,476 INFO L226 Difference]: Without dead ends: 76 [2022-10-16 17:27:02,476 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=268, Unknown=0, NotChecked=0, Total=342 [2022-10-16 17:27:02,478 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 106 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 17:27:02,478 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 87 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 17:27:02,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-10-16 17:27:02,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 63. [2022-10-16 17:27:02,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 52 states have (on average 1.3461538461538463) internal successors, (70), 60 states have internal predecessors, (70), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:27:02,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 72 transitions. [2022-10-16 17:27:02,501 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 72 transitions. Word has length 23 [2022-10-16 17:27:02,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:27:02,501 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 72 transitions. [2022-10-16 17:27:02,501 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:27:02,502 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 72 transitions. [2022-10-16 17:27:02,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-16 17:27:02,503 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:27:02,503 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:27:02,528 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-10-16 17:27:02,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:27:02,704 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting insertionSortErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [insertionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-10-16 17:27:02,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:27:02,705 INFO L85 PathProgramCache]: Analyzing trace with hash -613501076, now seen corresponding path program 1 times [2022-10-16 17:27:02,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:27:02,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640984528] [2022-10-16 17:27:02,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:27:02,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:27:02,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:27:02,847 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-16 17:27:02,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:27:02,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640984528] [2022-10-16 17:27:02,848 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640984528] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:27:02,848 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:27:02,849 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 17:27:02,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448456443] [2022-10-16 17:27:02,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:27:02,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 17:27:02,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:27:02,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 17:27:02,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 17:27:02,851 INFO L87 Difference]: Start difference. First operand 63 states and 72 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:27:02,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:27:02,895 INFO L93 Difference]: Finished difference Result 69 states and 78 transitions. [2022-10-16 17:27:02,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 17:27:02,896 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-10-16 17:27:02,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:27:02,898 INFO L225 Difference]: With dead ends: 69 [2022-10-16 17:27:02,898 INFO L226 Difference]: Without dead ends: 67 [2022-10-16 17:27:02,899 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 17:27:02,905 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 35 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:27:02,906 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 47 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 17:27:02,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-10-16 17:27:02,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 61. [2022-10-16 17:27:02,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 52 states have (on average 1.2884615384615385) internal successors, (67), 58 states have internal predecessors, (67), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:27:02,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 69 transitions. [2022-10-16 17:27:02,923 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 69 transitions. Word has length 24 [2022-10-16 17:27:02,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:27:02,923 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 69 transitions. [2022-10-16 17:27:02,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:27:02,924 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 69 transitions. [2022-10-16 17:27:02,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-16 17:27:02,924 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:27:02,927 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1] [2022-10-16 17:27:02,928 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 17:27:02,928 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [insertionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-10-16 17:27:02,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:27:02,934 INFO L85 PathProgramCache]: Analyzing trace with hash -471091492, now seen corresponding path program 2 times [2022-10-16 17:27:02,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:27:02,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856703635] [2022-10-16 17:27:02,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:27:02,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:27:02,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:27:03,144 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:27:03,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:27:03,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856703635] [2022-10-16 17:27:03,145 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856703635] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 17:27:03,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1148018100] [2022-10-16 17:27:03,146 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 17:27:03,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:27:03,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:27:03,147 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 17:27:03,153 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-16 17:27:03,194 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-10-16 17:27:03,195 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 17:27:03,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 17:27:03,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 17:27:03,253 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-10-16 17:27:03,254 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 17:27:03,313 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-10-16 17:27:03,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1148018100] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 17:27:03,314 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 17:27:03,314 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 14 [2022-10-16 17:27:03,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046031726] [2022-10-16 17:27:03,315 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 17:27:03,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-10-16 17:27:03,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:27:03,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-10-16 17:27:03,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2022-10-16 17:27:03,318 INFO L87 Difference]: Start difference. First operand 61 states and 69 transitions. Second operand has 15 states, 14 states have (on average 2.2142857142857144) internal successors, (31), 15 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:27:03,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:27:03,540 INFO L93 Difference]: Finished difference Result 72 states and 83 transitions. [2022-10-16 17:27:03,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 17:27:03,541 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 2.2142857142857144) internal successors, (31), 15 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-10-16 17:27:03,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:27:03,542 INFO L225 Difference]: With dead ends: 72 [2022-10-16 17:27:03,542 INFO L226 Difference]: Without dead ends: 71 [2022-10-16 17:27:03,543 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 38 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=207, Invalid=495, Unknown=0, NotChecked=0, Total=702 [2022-10-16 17:27:03,544 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 34 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 17:27:03,544 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 227 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 17:27:03,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2022-10-16 17:27:03,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 46. [2022-10-16 17:27:03,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 38 states have (on average 1.2894736842105263) internal successors, (49), 43 states have internal predecessors, (49), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:27:03,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 51 transitions. [2022-10-16 17:27:03,552 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 51 transitions. Word has length 22 [2022-10-16 17:27:03,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:27:03,553 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 51 transitions. [2022-10-16 17:27:03,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 2.2142857142857144) internal successors, (31), 15 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:27:03,553 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 51 transitions. [2022-10-16 17:27:03,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-16 17:27:03,554 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:27:03,555 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:27:03,594 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-10-16 17:27:03,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:27:03,769 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting insertionSortErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [insertionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-10-16 17:27:03,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:27:03,770 INFO L85 PathProgramCache]: Analyzing trace with hash -1838476988, now seen corresponding path program 1 times [2022-10-16 17:27:03,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:27:03,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968026952] [2022-10-16 17:27:03,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:27:03,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:27:03,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:27:03,859 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-16 17:27:03,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:27:03,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968026952] [2022-10-16 17:27:03,860 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968026952] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:27:03,860 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:27:03,861 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 17:27:03,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583224843] [2022-10-16 17:27:03,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:27:03,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 17:27:03,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:27:03,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 17:27:03,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 17:27:03,863 INFO L87 Difference]: Start difference. First operand 46 states and 51 transitions. Second operand has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:27:03,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:27:03,932 INFO L93 Difference]: Finished difference Result 62 states and 68 transitions. [2022-10-16 17:27:03,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 17:27:03,933 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2022-10-16 17:27:03,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:27:03,936 INFO L225 Difference]: With dead ends: 62 [2022-10-16 17:27:03,936 INFO L226 Difference]: Without dead ends: 61 [2022-10-16 17:27:03,939 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 17:27:03,944 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 29 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:27:03,945 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 71 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 17:27:03,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2022-10-16 17:27:03,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 49. [2022-10-16 17:27:03,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 41 states have (on average 1.2682926829268293) internal successors, (52), 46 states have internal predecessors, (52), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:27:03,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 54 transitions. [2022-10-16 17:27:03,961 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 54 transitions. Word has length 25 [2022-10-16 17:27:03,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:27:03,962 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 54 transitions. [2022-10-16 17:27:03,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:27:03,963 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 54 transitions. [2022-10-16 17:27:03,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-16 17:27:03,969 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:27:03,969 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:27:03,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 17:27:03,970 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting insertionSortErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [insertionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-10-16 17:27:03,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:27:03,971 INFO L85 PathProgramCache]: Analyzing trace with hash -1158211710, now seen corresponding path program 1 times [2022-10-16 17:27:03,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:27:03,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662278171] [2022-10-16 17:27:03,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:27:03,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:27:04,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:27:04,105 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-16 17:27:04,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:27:04,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662278171] [2022-10-16 17:27:04,106 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662278171] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 17:27:04,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2068251416] [2022-10-16 17:27:04,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:27:04,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:27:04,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:27:04,108 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 17:27:04,129 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-10-16 17:27:04,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:27:04,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 17:27:04,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 17:27:04,229 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-16 17:27:04,230 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 17:27:04,230 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2068251416] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:27:04,230 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 17:27:04,230 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2022-10-16 17:27:04,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586837645] [2022-10-16 17:27:04,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:27:04,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 17:27:04,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:27:04,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 17:27:04,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-10-16 17:27:04,232 INFO L87 Difference]: Start difference. First operand 49 states and 54 transitions. Second operand has 5 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:27:04,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:27:04,266 INFO L93 Difference]: Finished difference Result 49 states and 54 transitions. [2022-10-16 17:27:04,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 17:27:04,266 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-10-16 17:27:04,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:27:04,267 INFO L225 Difference]: With dead ends: 49 [2022-10-16 17:27:04,267 INFO L226 Difference]: Without dead ends: 48 [2022-10-16 17:27:04,268 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-10-16 17:27:04,269 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 35 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:27:04,269 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 70 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 17:27:04,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2022-10-16 17:27:04,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 44. [2022-10-16 17:27:04,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 37 states have (on average 1.2702702702702702) internal successors, (47), 41 states have internal predecessors, (47), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:27:04,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 49 transitions. [2022-10-16 17:27:04,276 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 49 transitions. Word has length 26 [2022-10-16 17:27:04,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:27:04,276 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 49 transitions. [2022-10-16 17:27:04,276 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:27:04,276 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 49 transitions. [2022-10-16 17:27:04,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-16 17:27:04,277 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:27:04,277 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:27:04,317 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-10-16 17:27:04,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-10-16 17:27:04,492 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting insertionSortErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [insertionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-10-16 17:27:04,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:27:04,493 INFO L85 PathProgramCache]: Analyzing trace with hash -1724660472, now seen corresponding path program 1 times [2022-10-16 17:27:04,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:27:04,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530298245] [2022-10-16 17:27:04,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:27:04,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:27:04,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:27:04,633 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-16 17:27:04,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:27:04,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530298245] [2022-10-16 17:27:04,634 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530298245] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 17:27:04,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1783517909] [2022-10-16 17:27:04,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:27:04,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:27:04,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:27:04,636 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 17:27:04,647 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-10-16 17:27:04,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:27:04,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-16 17:27:04,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 17:27:04,750 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-16 17:27:04,750 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 17:27:04,814 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-16 17:27:04,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1783517909] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 17:27:04,815 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 17:27:04,815 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2022-10-16 17:27:04,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424634433] [2022-10-16 17:27:04,815 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 17:27:04,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-16 17:27:04,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:27:04,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-16 17:27:04,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2022-10-16 17:27:04,817 INFO L87 Difference]: Start difference. First operand 44 states and 49 transitions. Second operand has 14 states, 11 states have (on average 4.545454545454546) internal successors, (50), 9 states have internal predecessors, (50), 3 states have call successors, (5), 5 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:27:04,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:27:04,912 INFO L93 Difference]: Finished difference Result 110 states and 124 transitions. [2022-10-16 17:27:04,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-16 17:27:04,913 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 11 states have (on average 4.545454545454546) internal successors, (50), 9 states have internal predecessors, (50), 3 states have call successors, (5), 5 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2022-10-16 17:27:04,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:27:04,914 INFO L225 Difference]: With dead ends: 110 [2022-10-16 17:27:04,914 INFO L226 Difference]: Without dead ends: 109 [2022-10-16 17:27:04,914 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=97, Invalid=245, Unknown=0, NotChecked=0, Total=342 [2022-10-16 17:27:04,915 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 131 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:27:04,915 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 228 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 17:27:04,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2022-10-16 17:27:04,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 90. [2022-10-16 17:27:04,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 81 states have (on average 1.3209876543209877) internal successors, (107), 85 states have internal predecessors, (107), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:27:04,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 111 transitions. [2022-10-16 17:27:04,928 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 111 transitions. Word has length 27 [2022-10-16 17:27:04,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:27:04,928 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 111 transitions. [2022-10-16 17:27:04,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 11 states have (on average 4.545454545454546) internal successors, (50), 9 states have internal predecessors, (50), 3 states have call successors, (5), 5 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:27:04,928 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 111 transitions. [2022-10-16 17:27:04,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-16 17:27:04,929 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:27:04,929 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:27:04,969 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-10-16 17:27:05,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:27:05,144 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting insertionSortErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [insertionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-10-16 17:27:05,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:27:05,145 INFO L85 PathProgramCache]: Analyzing trace with hash 460142540, now seen corresponding path program 1 times [2022-10-16 17:27:05,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:27:05,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195565174] [2022-10-16 17:27:05,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:27:05,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:27:05,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:27:05,197 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-16 17:27:05,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:27:05,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195565174] [2022-10-16 17:27:05,197 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195565174] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:27:05,197 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:27:05,197 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 17:27:05,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949869625] [2022-10-16 17:27:05,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:27:05,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 17:27:05,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:27:05,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 17:27:05,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 17:27:05,199 INFO L87 Difference]: Start difference. First operand 90 states and 111 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:27:05,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:27:05,230 INFO L93 Difference]: Finished difference Result 100 states and 121 transitions. [2022-10-16 17:27:05,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 17:27:05,231 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2022-10-16 17:27:05,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:27:05,232 INFO L225 Difference]: With dead ends: 100 [2022-10-16 17:27:05,232 INFO L226 Difference]: Without dead ends: 97 [2022-10-16 17:27:05,232 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 17:27:05,233 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 13 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:27:05,233 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 73 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 17:27:05,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2022-10-16 17:27:05,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 71. [2022-10-16 17:27:05,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 65 states have (on average 1.1846153846153846) internal successors, (77), 66 states have internal predecessors, (77), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:27:05,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 81 transitions. [2022-10-16 17:27:05,258 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 81 transitions. Word has length 29 [2022-10-16 17:27:05,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:27:05,258 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 81 transitions. [2022-10-16 17:27:05,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:27:05,261 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 81 transitions. [2022-10-16 17:27:05,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-16 17:27:05,263 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:27:05,263 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:27:05,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 17:27:05,263 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting insertionSortErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [insertionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-10-16 17:27:05,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:27:05,264 INFO L85 PathProgramCache]: Analyzing trace with hash 1379516914, now seen corresponding path program 1 times [2022-10-16 17:27:05,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:27:05,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110578696] [2022-10-16 17:27:05,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:27:05,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:27:05,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:27:05,386 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-16 17:27:05,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:27:05,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110578696] [2022-10-16 17:27:05,387 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110578696] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:27:05,387 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:27:05,387 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 17:27:05,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647834233] [2022-10-16 17:27:05,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:27:05,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 17:27:05,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:27:05,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 17:27:05,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 17:27:05,389 INFO L87 Difference]: Start difference. First operand 71 states and 81 transitions. Second operand has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:27:05,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:27:05,424 INFO L93 Difference]: Finished difference Result 82 states and 92 transitions. [2022-10-16 17:27:05,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 17:27:05,425 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-10-16 17:27:05,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:27:05,426 INFO L225 Difference]: With dead ends: 82 [2022-10-16 17:27:05,426 INFO L226 Difference]: Without dead ends: 81 [2022-10-16 17:27:05,426 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-10-16 17:27:05,427 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 14 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:27:05,428 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 74 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 17:27:05,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2022-10-16 17:27:05,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 70. [2022-10-16 17:27:05,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 65 states have (on average 1.1384615384615384) internal successors, (74), 65 states have internal predecessors, (74), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:27:05,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 78 transitions. [2022-10-16 17:27:05,437 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 78 transitions. Word has length 30 [2022-10-16 17:27:05,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:27:05,437 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 78 transitions. [2022-10-16 17:27:05,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:27:05,437 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 78 transitions. [2022-10-16 17:27:05,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-16 17:27:05,438 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:27:05,439 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:27:05,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 17:27:05,439 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting insertionSortErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [insertionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-10-16 17:27:05,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:27:05,439 INFO L85 PathProgramCache]: Analyzing trace with hash 1380876136, now seen corresponding path program 2 times [2022-10-16 17:27:05,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:27:05,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499574416] [2022-10-16 17:27:05,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:27:05,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:27:05,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:27:05,662 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 27 proven. 3 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-10-16 17:27:05,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:27:05,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499574416] [2022-10-16 17:27:05,663 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499574416] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 17:27:05,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1342285409] [2022-10-16 17:27:05,663 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 17:27:05,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:27:05,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:27:05,665 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 17:27:05,691 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-10-16 17:27:05,745 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-16 17:27:05,746 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 17:27:05,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-16 17:27:05,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 17:27:05,843 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 31 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-10-16 17:27:05,844 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 17:27:05,928 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 31 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-10-16 17:27:05,928 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1342285409] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 17:27:05,929 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 17:27:05,929 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 9] total 18 [2022-10-16 17:27:05,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686502749] [2022-10-16 17:27:05,929 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 17:27:05,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-10-16 17:27:05,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:27:05,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-10-16 17:27:05,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2022-10-16 17:27:05,931 INFO L87 Difference]: Start difference. First operand 70 states and 78 transitions. Second operand has 18 states, 15 states have (on average 3.2) internal successors, (48), 14 states have internal predecessors, (48), 5 states have call successors, (5), 5 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:27:06,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:27:06,306 INFO L93 Difference]: Finished difference Result 178 states and 199 transitions. [2022-10-16 17:27:06,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-10-16 17:27:06,307 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 15 states have (on average 3.2) internal successors, (48), 14 states have internal predecessors, (48), 5 states have call successors, (5), 5 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2022-10-16 17:27:06,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:27:06,308 INFO L225 Difference]: With dead ends: 178 [2022-10-16 17:27:06,308 INFO L226 Difference]: Without dead ends: 116 [2022-10-16 17:27:06,309 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 77 SyntacticMatches, 6 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=152, Invalid=840, Unknown=0, NotChecked=0, Total=992 [2022-10-16 17:27:06,310 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 125 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 328 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 17:27:06,310 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 150 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 328 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 17:27:06,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2022-10-16 17:27:06,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 78. [2022-10-16 17:27:06,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 73 states have (on average 1.1095890410958904) internal successors, (81), 73 states have internal predecessors, (81), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:27:06,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 85 transitions. [2022-10-16 17:27:06,320 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 85 transitions. Word has length 45 [2022-10-16 17:27:06,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:27:06,320 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 85 transitions. [2022-10-16 17:27:06,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 15 states have (on average 3.2) internal successors, (48), 14 states have internal predecessors, (48), 5 states have call successors, (5), 5 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:27:06,320 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 85 transitions. [2022-10-16 17:27:06,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-16 17:27:06,321 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:27:06,321 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:27:06,353 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-10-16 17:27:06,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:27:06,537 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting insertionSortErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [insertionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-10-16 17:27:06,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:27:06,538 INFO L85 PathProgramCache]: Analyzing trace with hash 251706284, now seen corresponding path program 3 times [2022-10-16 17:27:06,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:27:06,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030180796] [2022-10-16 17:27:06,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:27:06,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:27:06,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:27:06,889 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 37 proven. 16 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-16 17:27:06,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:27:06,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030180796] [2022-10-16 17:27:06,889 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030180796] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 17:27:06,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1373047507] [2022-10-16 17:27:06,889 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-10-16 17:27:06,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:27:06,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:27:06,891 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 17:27:06,893 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-10-16 17:27:06,969 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-10-16 17:27:06,970 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 17:27:06,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-16 17:27:06,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 17:27:07,086 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-10-16 17:27:07,086 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 17:27:07,278 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-10-16 17:27:07,279 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1373047507] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 17:27:07,279 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 17:27:07,279 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 5, 5] total 20 [2022-10-16 17:27:07,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369418257] [2022-10-16 17:27:07,279 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 17:27:07,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-10-16 17:27:07,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:27:07,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-10-16 17:27:07,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2022-10-16 17:27:07,281 INFO L87 Difference]: Start difference. First operand 78 states and 85 transitions. Second operand has 20 states, 17 states have (on average 4.0588235294117645) internal successors, (69), 16 states have internal predecessors, (69), 6 states have call successors, (6), 5 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:27:07,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:27:07,632 INFO L93 Difference]: Finished difference Result 150 states and 165 transitions. [2022-10-16 17:27:07,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-10-16 17:27:07,632 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 17 states have (on average 4.0588235294117645) internal successors, (69), 16 states have internal predecessors, (69), 6 states have call successors, (6), 5 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-10-16 17:27:07,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:27:07,633 INFO L225 Difference]: With dead ends: 150 [2022-10-16 17:27:07,633 INFO L226 Difference]: Without dead ends: 0 [2022-10-16 17:27:07,634 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 93 SyntacticMatches, 9 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 276 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=174, Invalid=1086, Unknown=0, NotChecked=0, Total=1260 [2022-10-16 17:27:07,635 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 100 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 17:27:07,635 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 232 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 17:27:07,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-10-16 17:27:07,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-10-16 17:27:07,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:27:07,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-10-16 17:27:07,636 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 53 [2022-10-16 17:27:07,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:27:07,637 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-16 17:27:07,637 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 17 states have (on average 4.0588235294117645) internal successors, (69), 16 states have internal predecessors, (69), 6 states have call successors, (6), 5 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:27:07,637 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-10-16 17:27:07,637 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-16 17:27:07,640 INFO L805 garLoopResultBuilder]: Registering result SAFE for location insertionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2022-10-16 17:27:07,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location insertionSortErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2022-10-16 17:27:07,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location insertionSortErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2022-10-16 17:27:07,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location insertionSortErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2022-10-16 17:27:07,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location insertionSortErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining) [2022-10-16 17:27:07,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location insertionSortErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining) [2022-10-16 17:27:07,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location insertionSortErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2022-10-16 17:27:07,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location insertionSortErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2022-10-16 17:27:07,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2022-10-16 17:27:07,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2022-10-16 17:27:07,679 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-10-16 17:27:07,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-10-16 17:27:07,859 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-10-16 17:27:08,754 INFO L899 garLoopResultBuilder]: For program point insertionSortErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 15) no Hoare annotation was computed. [2022-10-16 17:27:08,754 INFO L899 garLoopResultBuilder]: For program point insertionSortErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed. [2022-10-16 17:27:08,754 INFO L899 garLoopResultBuilder]: For program point insertionSortErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 16) no Hoare annotation was computed. [2022-10-16 17:27:08,754 INFO L899 garLoopResultBuilder]: For program point insertionSortErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 15) no Hoare annotation was computed. [2022-10-16 17:27:08,754 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2022-10-16 17:27:08,754 INFO L899 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed. [2022-10-16 17:27:08,755 INFO L895 garLoopResultBuilder]: At program point L19-2(line 19) the Hoare annotation is: (let ((.cse1 (not (<= |insertionSort_#in~i| 1))) (.cse6 (not (= |insertionSort_#in~i| 0))) (.cse0 (<= insertionSort_~size insertionSort_~i)) (.cse3 (<= 1 insertionSort_~i)) (.cse4 (<= insertionSort_~size 2147483647)) (.cse5 (<= 1 |insertionSort_#t~pre6|)) (.cse7 (not (<= |insertionSort_#in~size| 2147483647))) (.cse2 (not (<= 1 |insertionSort_#in~i|)))) (and (or (and (<= insertionSort_~size |insertionSort_#t~pre6|) .cse0) (not (<= |insertionSort_#in~size| (+ |insertionSort_#in~i| 1))) .cse1 .cse2) (or (and (<= insertionSort_~i 1) .cse3 .cse4 (<= |insertionSort_#t~pre6| 1) .cse5) .cse6 .cse7) (or (not (<= |insertionSort_#in~size| 2)) .cse6 (<= insertionSort_~size (+ |insertionSort_#t~pre6| 1))) (or (and (< insertionSort_~i 2147483646) (< |insertionSort_#t~pre6| 2147483647)) .cse1 .cse7 .cse2) (or .cse6 .cse0 (not (<= |insertionSort_#in~size| 1))) (or (not (< |insertionSort_#in~i| 2147483647)) (not (<= |insertionSort_#in~size| |insertionSort_#in~i|)) .cse2) (or (and .cse3 (<= insertionSort_~i 2147483647) .cse4 (<= |insertionSort_#t~pre6| 2147483647) .cse5) (not (<= |insertionSort_#in~i| 2147483647)) .cse7 .cse2))) [2022-10-16 17:27:08,755 INFO L899 garLoopResultBuilder]: For program point L19-3(line 19) no Hoare annotation was computed. [2022-10-16 17:27:08,755 INFO L899 garLoopResultBuilder]: For program point L15-1(line 15) no Hoare annotation was computed. [2022-10-16 17:27:08,755 INFO L899 garLoopResultBuilder]: For program point L15-2(line 15) no Hoare annotation was computed. [2022-10-16 17:27:08,756 INFO L899 garLoopResultBuilder]: For program point L15-3(line 15) no Hoare annotation was computed. [2022-10-16 17:27:08,756 INFO L899 garLoopResultBuilder]: For program point L15-5(lines 15 16) no Hoare annotation was computed. [2022-10-16 17:27:08,756 INFO L902 garLoopResultBuilder]: At program point insertionSortENTRY(lines 8 21) the Hoare annotation is: true [2022-10-16 17:27:08,756 INFO L899 garLoopResultBuilder]: For program point L15-7(lines 15 16) no Hoare annotation was computed. [2022-10-16 17:27:08,756 INFO L899 garLoopResultBuilder]: For program point L15-8(line 15) no Hoare annotation was computed. [2022-10-16 17:27:08,756 INFO L899 garLoopResultBuilder]: For program point L15-9(line 15) no Hoare annotation was computed. [2022-10-16 17:27:08,757 INFO L895 garLoopResultBuilder]: At program point L15-10(lines 15 16) the Hoare annotation is: (let ((.cse3 (not (<= |insertionSort_#in~i| 1))) (.cse2 (not (<= 1 |insertionSort_#in~i|))) (.cse0 (<= insertionSort_~size 2147483647)) (.cse1 (not (<= |insertionSort_#in~size| 2147483647))) (.cse4 (not (= |insertionSort_#in~i| 0)))) (and (or (not (<= |insertionSort_#in~i| 2147483647)) (and (<= 1 insertionSort_~i) .cse0 (<= insertionSort_~i 2147483646) (<= insertionSort_~j~0 2147483648)) .cse1 .cse2) (or (<= insertionSort_~i 1) .cse3 .cse1 .cse2) (or (not (<= |insertionSort_#in~size| 2)) .cse4 (<= insertionSort_~size 2)) (or (<= insertionSort_~size (+ insertionSort_~i 1)) (not (<= |insertionSort_#in~size| (+ |insertionSort_#in~i| 1))) .cse3 .cse2) (or (not (< |insertionSort_#in~i| 2147483647)) (not (<= |insertionSort_#in~size| |insertionSort_#in~i|)) .cse2) (or (and .cse0 (= insertionSort_~j~0 0) (= insertionSort_~i 0)) .cse4 .cse1) (or .cse4 (<= insertionSort_~size 1) (not (<= |insertionSort_#in~size| 1))))) [2022-10-16 17:27:08,757 INFO L899 garLoopResultBuilder]: For program point L15-11(lines 15 16) no Hoare annotation was computed. [2022-10-16 17:27:08,757 INFO L899 garLoopResultBuilder]: For program point insertionSortEXIT(lines 8 21) no Hoare annotation was computed. [2022-10-16 17:27:08,757 INFO L899 garLoopResultBuilder]: For program point insertionSortErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 15) no Hoare annotation was computed. [2022-10-16 17:27:08,757 INFO L899 garLoopResultBuilder]: For program point insertionSortErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed. [2022-10-16 17:27:08,757 INFO L899 garLoopResultBuilder]: For program point insertionSortErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 16) no Hoare annotation was computed. [2022-10-16 17:27:08,757 INFO L899 garLoopResultBuilder]: For program point insertionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 15) no Hoare annotation was computed. [2022-10-16 17:27:08,758 INFO L899 garLoopResultBuilder]: For program point L16(line 16) no Hoare annotation was computed. [2022-10-16 17:27:08,758 INFO L899 garLoopResultBuilder]: For program point L16-1(line 16) no Hoare annotation was computed. [2022-10-16 17:27:08,758 INFO L899 garLoopResultBuilder]: For program point L10(lines 10 20) no Hoare annotation was computed. [2022-10-16 17:27:08,758 INFO L899 garLoopResultBuilder]: For program point L10-2(lines 8 21) no Hoare annotation was computed. [2022-10-16 17:27:08,758 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2022-10-16 17:27:08,758 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-10-16 17:27:08,758 INFO L899 garLoopResultBuilder]: For program point L33-2(lines 33 35) no Hoare annotation was computed. [2022-10-16 17:27:08,758 INFO L899 garLoopResultBuilder]: For program point L33-3(line 33) no Hoare annotation was computed. [2022-10-16 17:27:08,758 INFO L899 garLoopResultBuilder]: For program point L33-4(line 33) no Hoare annotation was computed. [2022-10-16 17:27:08,759 INFO L895 garLoopResultBuilder]: At program point L33-5(lines 33 35) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_main_~n~0#1| 2147483647))) (or (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (= |ULTIMATE.start_main_~i~0#1| 0) (<= 1 |ULTIMATE.start_main_~n~0#1|)))) [2022-10-16 17:27:08,759 INFO L895 garLoopResultBuilder]: At program point L33-6(lines 33 35) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~n~0#1| 2147483647) (<= 1 |ULTIMATE.start_main_~i~0#1|)) [2022-10-16 17:27:08,759 INFO L902 garLoopResultBuilder]: At program point L23(lines 23 40) the Hoare annotation is: true [2022-10-16 17:27:08,759 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-10-16 17:27:08,759 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2022-10-16 17:27:08,759 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-10-16 17:27:08,759 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-10-16 17:27:08,759 INFO L899 garLoopResultBuilder]: For program point L28(lines 28 29) no Hoare annotation was computed. [2022-10-16 17:27:08,760 INFO L899 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2022-10-16 17:27:08,764 INFO L444 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:27:08,766 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-16 17:27:08,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 05:27:08 BoogieIcfgContainer [2022-10-16 17:27:08,785 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-16 17:27:08,786 INFO L158 Benchmark]: Toolchain (without parser) took 10352.76ms. Allocated memory was 151.0MB in the beginning and 195.0MB in the end (delta: 44.0MB). Free memory was 125.1MB in the beginning and 74.2MB in the end (delta: 50.9MB). Peak memory consumption was 95.5MB. Max. memory is 8.0GB. [2022-10-16 17:27:08,786 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 151.0MB. Free memory was 121.5MB in the beginning and 121.4MB in the end (delta: 81.2kB). There was no memory consumed. Max. memory is 8.0GB. [2022-10-16 17:27:08,787 INFO L158 Benchmark]: CACSL2BoogieTranslator took 241.15ms. Allocated memory is still 151.0MB. Free memory was 125.0MB in the beginning and 115.6MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-10-16 17:27:08,787 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.67ms. Allocated memory is still 151.0MB. Free memory was 115.6MB in the beginning and 114.1MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-10-16 17:27:08,788 INFO L158 Benchmark]: Boogie Preprocessor took 30.45ms. Allocated memory is still 151.0MB. Free memory was 114.1MB in the beginning and 112.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-10-16 17:27:08,788 INFO L158 Benchmark]: RCFGBuilder took 464.34ms. Allocated memory is still 151.0MB. Free memory was 112.8MB in the beginning and 100.6MB in the end (delta: 12.2MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-10-16 17:27:08,788 INFO L158 Benchmark]: TraceAbstraction took 9539.66ms. Allocated memory was 151.0MB in the beginning and 195.0MB in the end (delta: 44.0MB). Free memory was 133.1MB in the beginning and 74.2MB in the end (delta: 58.9MB). Peak memory consumption was 102.8MB. Max. memory is 8.0GB. [2022-10-16 17:27:08,791 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 151.0MB. Free memory was 121.5MB in the beginning and 121.4MB in the end (delta: 81.2kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 241.15ms. Allocated memory is still 151.0MB. Free memory was 125.0MB in the beginning and 115.6MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 37.67ms. Allocated memory is still 151.0MB. Free memory was 115.6MB in the beginning and 114.1MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 30.45ms. Allocated memory is still 151.0MB. Free memory was 114.1MB in the beginning and 112.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 464.34ms. Allocated memory is still 151.0MB. Free memory was 112.8MB in the beginning and 100.6MB in the end (delta: 12.2MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 9539.66ms. Allocated memory was 151.0MB in the beginning and 195.0MB in the end (delta: 44.0MB). Free memory was 133.1MB in the beginning and 74.2MB in the end (delta: 58.9MB). Peak memory consumption was 102.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 16]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 16]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 41 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 9.4s, OverallIterations: 15, TraceHistogramMax: 5, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.1s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 688 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 687 mSDsluCounter, 1815 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1407 mSDsCounter, 95 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 997 IncrementalHoareTripleChecker+Invalid, 1092 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 95 mSolverCounterUnsat, 408 mSDtfsCounter, 997 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 532 GetRequests, 331 SyntacticMatches, 17 SemanticMatches, 184 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 676 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=90occurred in iteration=11, InterpolantAutomatonStates: 138, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 15 MinimizatonAttempts, 163 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 54 PreInvPairs, 80 NumberOfFragments, 282 HoareAnnotationTreeSize, 54 FomulaSimplifications, 320 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 6 FomulaSimplificationsInter, 5259 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 572 NumberOfCodeBlocks, 556 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 701 ConstructedInterpolants, 0 QuantifiedInterpolants, 1622 SizeOfPredicates, 22 NumberOfNonLiveVariables, 848 ConjunctsInSsa, 50 ConjunctsInUnsatCore, 28 InterpolantComputations, 10 PerfectInterpolantSequences, 371/530 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: (n <= 2147483647 && 1 <= i) || ((n <= 2147483647 && i == 0) && 1 <= n) - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: ((((((((!(\old(i) <= 2147483647) || (((1 <= i && size <= 2147483647) && i <= 2147483646) && j <= 2147483648)) || !(\old(size) <= 2147483647)) || !(1 <= \old(i))) && (((i <= 1 || !(\old(i) <= 1)) || !(\old(size) <= 2147483647)) || !(1 <= \old(i)))) && ((!(\old(size) <= 2) || !(\old(i) == 0)) || size <= 2)) && (((size <= i + 1 || !(\old(size) <= \old(i) + 1)) || !(\old(i) <= 1)) || !(1 <= \old(i)))) && ((!(\old(i) < 2147483647) || !(\old(size) <= \old(i))) || !(1 <= \old(i)))) && ((((size <= 2147483647 && j == 0) && i == 0) || !(\old(i) == 0)) || !(\old(size) <= 2147483647))) && ((!(\old(i) == 0) || size <= 1) || !(\old(size) <= 1)) RESULT: Ultimate proved your program to be correct! [2022-10-16 17:27:08,839 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...